Graco 3A2589D important safety instructions Inlet Valve Fitting Removal/Service, Installation

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Inlet Valve Fitting Removal/Service

Inlet Valve Fitting Removal/Service

5.Use a thin wire less than 1/16 in. (such as a paper clip) to check that the outlet valve fitting moves freely. If valve does not move freely, perform Outlet Valve Fitting Repair, page 26.

This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashing fluid and moving parts, follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing the equipment.

Move sprayer to a non-hazardous area before servicing.

1.Engage trigger lock and pull prime/spray valve UP to release pressure.

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Installation

NOTE: Before installing, make sure o-ring (c) is installed on poppet valve (b). A needle-nose pliers can also be used to install parts (a - c).

1.Place poppet valve (b) with spring (a) on top of inlet valve fitting (d). Push inlet fitting up into pump cavity.

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a b

2.Remove material cup, flexible suction tube, and bat- tery.

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NOTICE

When removing flexible suction tube from sprayer, make sure to pull directly on top fitting of flexible suction tube. Flexible suction tube will become damaged if pulled from bottom or on flexible portion.

3.Hold sprayer upside-down and use wrench to loosen and remove inlet valve fitting, inlet valve, and spring.

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NOTE: Make sure the spring also comes out. Use nee- dle-nose pliers to remove if needed. Inlet cavity should be completely empty (as shown below).

4.Clean as much excess material from inlet cavity as possible. Make sure you also clean spring (a), inlet valve (b), o-ring (c), and top of inlet valve fitting (d).

c

d

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2.Hold inlet in place and turn sprayer upside-down. Remove inlet valve fitting and visually check to see that inlet valve has seated correctly.

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3.Replace inlet fitting and use wrench or socket to tighten to 10 ft-lb (14 N•m).

NOTICE

Do NOT over-tighten inlet valve fitting. Damage to the equipment will occur.

4.Use a pencil or thin rod to lightly push on inlet valve to make sure it moves up and down freely. Perform Start- ing New Job procedure, page 11.

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3A2589D

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Contents Model Charger Cordless Hand-Held Paint Sprayers 3A2589DTable of Contents Fire and Explosion Hazard California Proposition Component Identification Charger Status Indicator Lights Charging the BatterySprayer Status Indicator Light Label Appearance DescriptionTrigger Lock Pressure Relief ProcedurePrime/Spray Valve Trigger LockedReversible Spray Tip Pressure Control Knob Flexible Suction Tube Sprayer Setup If sprayer fails to prime, try one of the steps below Starting a New Job Or Refilling the Material CupChoosing the Correct Tip Choosing Pressure Control Knob SettingUnderstanding Tip Number Selecting Tip Hole SizeGetting Started with Basic Techniques Install Spray Tip/Guard Assembly if not installedTriggering Sprayer Aiming Sprayer Unclogging Spray Tip/Guard AssemblySpray Pattern Quality Flushing Sprayer Shutdown and CleaningTi15529ati19009a Storage Cleaning Sprayer ExteriorWiring General ServiceModels 16M886, 16N657, 24R747 Replacement PartsDescription Parts List Models 16N657, 16M886, 24R747Number Model 16N660 Parts List Model 16N660 Parts List Models 16N660 Installation Inlet Valve Fitting Removal/ServiceRemoval Outlet Valve Fitting RepairProblem Cause Solution TroubleshootingSee Shutdown and Cleaning, Down and Cleaning,Valve Fitting Removal/Service, Removal/Service,Tip/Guard Assembly, Spray Pattern Diagnostics Problem Cause SolutionSee Charging the Battery, See Choosing the Correct Tip,Spray pattern spits at the end Troubleshooting Leaks Battery Lithium Ion Technical DataMetric Date Material Spray Pressure Setting Sprayed Tip Mark Dial Preferred Material Settings LogGraco Information Graco Standard Warranty